Chromosome is a condensed form of DNA. A skin cell of a human female will have _____.

22 autosomes and 1 allosome

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22 pairs of autosomes and 1 pair of allosome

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22 allosomes and 1 autosome

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22 pairs of allosomes and 1 pair of autosome

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Solution

The correct option is B 22 pairs of autosomes and 1 pair of allosome
DNA is the genetic material that condenses to form chromosomes. An offspring receives a set of chromosomes from each parent during sexual reproduction which is why the chromosomes are addressed in pairs.

Normal female skin cells will have 23 pairs of chromosomes (46 chromosomes) out of which 22 pairs (44 chromosomes) are autosomes and one pair (2 chromosomes) are sex chromosomes or allosomes.

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The human male gamete with X chromosome fuses with a female gamete to form a zygote. The offspring will be a male child.

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